that has to do with the memos in the brown v. board of education case. >> guest: right. >> host: tell us what his role of and why it turned out to be controversial. >> guest: well, he actually wrote a number of memos, and they kind of, those memos stumbled out on stage in a very rough sequence over many years later, and they came back to haunt him. what he did -- so he gets there, and percolating up through the courts already, going back to -- back to 1950, are the cases of the naacp, legal and education defense fund, that thurgood marshall is actually bringing, and he's building it sort of brick-by-brick, block-by-block, and thurgood marshall not yet a justice of the supreme court making the case that plessi versus ferguson, defined the case of separate, but equal, defining the case in the naacp, that this can want remain the law of the -- cannot remain the law of the land. it's clear that the case that's going to be a very, very important one for the court, and it's the year that rehnquist is there, is brown versus board of edu